Note 14 - Business Segment Information - Net Sales And Long-Lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
UNITED STATES
Revenue	$ 444,475	$ 402,675	$ 357,890
Long-term Assets	108,557	114,034	90,922
Foreign [Member]
Revenue	$ 3,029	$ 6,303	$ 6,006
Long-term Assets
Revenue	$ 447,504	$ 408,978	$ 363,896
Long-term Assets	$ 108,557	$ 114,034	$ 90,922

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.10-17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

Name:	us-gaap_AssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant